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This publication contains previously unpublished geochemical analyses or re-analyses of lavas, magmatic inclusions, and a few gabbroic cumulate inclusions from Alaska volcanoes (Akutan, Augustine, Buzzard Creek, Dana, Douglas, Fourpeaked, Frosty, Great Sitkin, Iliamna, Kaguyak, Kiska, Okmok, Prindle Cone, Recheshnoi, Redoubt, Spurr, Ukinrek Maars, Vsevidof, Westdahl, Wrangell) collected by the authors and others over the past 35 years. It provides substantial data sets for three volcanoes (Vsevidof, Westdahl, and Douglas) for which little or no published data exist. All analyses were made by the GeoAnalytical laboratory at Washington State University in Pullman, WA. The ICP/MS data have been reduced using the 2006...
Tags: Adagdak, Adak, Akutan, Analyses, Analyses and Sampling, All tags...
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Selected archived sample splits collected as part of the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) program, were reanalyzed by the U.S. Geological Survey (USGS) as part of a NURE-HSSR Reanalysis project (Smith and others, 2018). A small amount (approximately 0.25 grams [g]) of sieved less than 75-micron sample material was retrieved from the USGS National Geochemical Sample Archive for geochemical analysis. These samples were analyzed for 51 elements under a Technical Assistance Agreement with a third party by ALS Global laboratories using their ultra-trace four-acid-digestion dual-mode inductively coupled plasma-optical emission spectrometry/mass spectrometry...
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This zip folder contains ASCII text files of vectors at the specified volcano at 12-hour intervals, from January 1, 1990 through December 28, 2009. The wind vectors are divided into five files, names by their elevation range above sea level in the atmosphere: 00-05km.txt; 05-11km.txt; 11-16km.txt; 16-24km.txt; and 24-30km.txt. The zip folder also contains a subfolder "figures", with Wind rose plots of wind direction and speed over this time period. The plots are by season, and by elevation, given a total of 20 plots (4 seasons, 5 elevation ranges). A summary plot is also included which gives the year-round wind pattern at the volcano, at 0-5 km elevation. Plots are in both jpg and pdf format.
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Gravity data were collected in August of 2019 at 21 sites on and around Iliamna Volcano and Anchorage, Alaska. Measurements were taken with a Lacoste & Romberg G-161 meter and reduced to obtain the complete Bouguer anomaly. A total of 39 magnetic susceptibility measurements were taken at 13 locations using a ZH Instruments SM30 susceptibility meter. This data release includes susceptibility measurements, processed gravity data, shapefiles with field locations, and site photos.
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The Iniskin-Tuxedni Bay area contains excellent exposures of nearly all of the lower Cook Inlet Mesozoic succession, including most of the stratigraphic sections that define the interval and the petroleum source rocks that comprise the basin. An underdeveloped understanding of the Mesozoic petroleum system has led the Alaska Department of Natural Resources' Division of Geological & Geophysical Surveys and Division of Oil and Gas, and the U.S. Geological Survey to collaborate on a multi-year project that includes two major mapping campaigns. Geologic mapping between Chinitna Bay and the Johnson River during the 2015 field season encompassed volcanic arc rocks northwest of the Bruin Bay fault system, and Mesozoic...


    map background search result map search result map Wind rose plots for the volcano: 313020 Iliamna Volcanoes of Alaska Latitudes and longitudes of volcanoes in Alaska Major-oxide and trace-element geochemical data from rocks collected in 2015 in lower Cook Inlet, Iniskin - Tuxedni region, Alaska USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 Reanalysis of Selected Archived NURE-HSSR Sediment and Soil Samples from Alaska Bouguer gravity and magnetic susceptibility measurements at Iliamna Volcano, Alaska 2019 Major-oxide and trace-element geochemical data from rocks collected in 2015 in lower Cook Inlet, Iniskin - Tuxedni region, Alaska Reanalysis of Selected Archived NURE-HSSR Sediment and Soil Samples from Alaska USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1952 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 USGS 1:250000-scale Quadrangle for Iliamna, AK 1957 Bouguer gravity and magnetic susceptibility measurements at Iliamna Volcano, Alaska 2019 Volcanoes of Alaska Latitudes and longitudes of volcanoes in Alaska